* {
    margin: 0;
    padding: 0;
}

@font-face {
    font-family: 'dd';
    src: url(../font/DingTalkJinBuTi-Regular.ttf);
}

body {
    font-family: dd, 微软雅黑;
    color: #000;
    font-size: 16px;
    text-align: center;
}

header img {
    width: 100%;

}

.nav-warp {
    width: 100%;
    height: 50px;
    background-color: #B40024;
    margin: 0 auto;
}

a {
    color: #fff;
    text-decoration: none;
}

li {
    list-style: none;
}

.nav {
    display: flex;

}

.nav .nav-list {

    width: 100px;
    flex-grow: 1;
}

.nav a {
    line-height: 50px;
    font-size: 16px;
}

.nav a:hover {
    color: rgb(0, 0, 0);
}

.center {
    width: 1100px;
    margin: 0 auto;
}

.banner {
    background-image: url(../images/header.jpg);
    background-size: cover;
}

.banner p {
    padding: 30px 0;
    width: 300px;
    line-height: 30px;

}

.logo img {
    display: block;
    width: 300px;
    margin: 0 auto;
}


footer {
    margin-top: 50px;
    padding: 30px 0;
    color: #F4F4F4;
    background-color: rgb(0, 0, 0);
    display: flex;
    justify-content: center;
}

.footer-box {
    width: 400px;

}